MONTHLY PRECIPITATION, MM., PHILADELPHIA, 1820-1950 76.2 64.8 127.3 76.2 166.6 47.8 165.1 92.5 49.5 227.1 79.2 82.6 12.2 122.4 14.5 77.5 150.4 66.0 46.7 10.4 145.8 82.3 118.1 72.1 43.2 73.7 55.9 54.9 55.1 36.6 96.5 33.8 138.4 31.5 127.0 31.8 85.9 98.0 174.5 45.0 40.6 22.1 155.4 118.9 87.9 51.3 62.7 187.2 93.2 100.1 66.8 115.3 40.4 154.7 223.5 162.3 154.9 38.9 63.2 53.6 21.3 82.8 117.6 21.1 43.7 93.7 52.3 94.0 66.3 31.8 34.5 94.5 28.2 54.1 147.3 98.3 4.8 118.4 93.5 69.9 50.8 148.1 47.0 32.5 72.6 90.2 31.2 71.9 63.5 53.1 75.4 146.1 20.1 150.1 120.9 82.8 52.1 69.9 85.1 97.0 88.6 68.3 135.4 38.4 117.3 35.3 170.4 6.6 136.4 95.3 72.9 126.7 68.1 87.4 110.5 117.1 51.1 58.4 100.8 38.4 41.4 52.3 104.6 46.2 95.3 152.1 103.4 98.3 74.4 109.5 135.9 131.6 158.0 62.0 75.4 132.1 27.2 90.4 105.9 136.9 135.4 114.6 47.8 30.5 116.3 67.6 48.3 75.7 128.0 39.4 66.5 144.5 35.6 86.6 65.8 129.3 100.8 31.5 56.4 17.8 149.4 134.1 105.4 86.1 97.0 255.3 55.4 144.0 63.2 56.4 51.3 71.9 89.4 101.3 110.5 15.7 90.7 83.6 76.5 59.2 69.9 46.0 97.3 110.0 50.5 159.3 166.4 52.1 66.8 31.0 81.0 68.1 193.5 75.9 44.5 88.1 57.9 185.7 73.9 50.0 46.2 91.2 84.8 91.7 63.5 90.9 95.5 71.9 123.4 71.9 149.6 103.1 57.9 16.8 82.0 65.0 55.9 55.6 80.5 91.2 90.9 167.6 60.5 70.6 241.8 124.5 85.1 26.7 128.0 86.9 38.4 38.4 154.2 99.6 64.0 117.9 74.2 71.9 78.7 159.0 46.7 76.5 66.8 173.5 68.3 151.1 115.3 141.0 63.5 145.5 63.2 92.7 199.1 35.3 147.8 163.8 83.1 79.0 83.3 231.1 48.3 81.3 107.2 150.4 34.5 108.2 72.1 134.9 148.8 81.0 299.7 96.3 32.3 43.4 88.6 93.0 36.6 64.5 112.3 119.9 52.1 42.9 115.3 235.2 123.4 81.8 105.4 102.6 102.9 36.8 112.5 34.3 78.5 85.1 134.1 61.0 102.4 127.8 74.9 69.9 95.5 120.4 61.5 65.5 40.6 94.5 75.2 185.4 54.9 64.3 63.5 100.6 117.6 84.6 116.8 53.6 87.6 83.8 116.8 108.5 6.4 62.2 202.4 87.4 120.1 116.1 119.4 15.0 39.9 84.1 70.1 80.8 205.0 76.2 72.1 147.1 51.6 36.6 69.9 39.1 124.5 112.5 83.3 43.7 46.0 95.3 59.4 127.3 18.5 66.3 138.9 44.5 101.6 55.9 74.4 177.0 35.8 142.2 66.0 148.3 121.2 72.9 120.7 67.8 165.1 51.6 151.6 211.6 196.3 27.7 84.3 114.8 31.2 79.0 88.1 115.8 122.4 87.4 64.0 65.0 28.7 77.0 85.1 57.9 51.1 68.8 108.5 163.8 77.0 102.4 103.1 111.8 32.8 57.7 153.9 131.3 47.0 112.8 62.5 97.5 131.3 27.9 160.0 78.5 113.3 88.1 58.9 55.1 59.2 106.9 41.1 196.9 176.3 60.7 76.7 21.3 96.5 39.4 71.9 73.9 59.4 59.7 42.7 52.1 75.2 201.9 162.6 70.9 101.6 104.4 51.8 137.9 115.3 31.5 56.6 89.4 66.0 50.5 38.4 152.4 101.9 33.0 52.6 74.7 89.7 20.1 46.5 172.2 141.0 190.5 99.6 192.8 28.2 68.3 36.8 141.0 65.8 58.2 27.7 117.9 127.5 114.0 34.3 125.5 37.8 46.7 142.5 114.3 169.7 93.0 177.3 142.5 57.2 152.7 103.4 120.1 195.1 79.5 97.0 88.6 82.0 70.1 36.1 96.5 97.0 73.2 25.1 214.9 72.4 114.8 155.7 84.1 133.4 52.6 99.6 94.2 168.7 98.6 65.0 79.8 111.8 96.5 123.7 53.1 121.7 117.9 90.2 105.7 58.7 177.0 62.7 23.6 101.1 121.2 121.7 41.9 119.9 118.9 149.6 178.3 114.6 108.0 152.7 36.8 22.4 62.5 68.6 117.6 43.4 14.0 131.3 96.5 220.5 59.7 95.8 48.8 181.9 46.2 99.8 130.8 91.7 148.1 119.6 71.9 183.1 120.7 75.4 95.8 202.2 77.5 100.6 142.5 80.0 167.9 54.6 74.4 118.9 75.2 64.0 55.4 221.2 105.4 44.7 88.1 44.7 98.8 138.9 46.0 185.9 280.2 60.7 401.8 43.7 109.7 74.7 69.3 91.9 64.0 85.3 138.2 178.1 111.0 89.2 52.3 226.3 44.2 134.1 91.4 108.7 120.9 134.9 53.8 107.7 141.7 73.4 32.5 82.6 160.5 94.7 130.0 103.6 64.3 103.1 142.5 159.5 73.7 100.3 130.0 43.4 98.8 53.3 48.0 88.1 78.5 147.6 46.5 85.9 96.0 173.0 151.6 45.0 123.4 109.0 57.4 37.8 28.4 93.2 66.0 80.0 109.0 233.7 198.4 93.0 132.1 87.1 69.6 148.3 120.7 52.1 89.2 148.1 22.9 127.0 291.8 92.2 147.3 129.5 35.1 116.3 62.5 54.9 247.9 69.9 75.2 57.2 143.5 152.7 72.9 58.9 63.0 71.9 81.3 78.7 71.9 34.5 104.9 92.2 163.1 64.3 36.1 137.2 85.6 38.6 127.8 170.4 54.9 113.0 58.2 145.0 24.9 222.8 26.9 185.7 35.6 66.5 21.3 86.4 67.6 27.9 132.6 140.5 16.8 69.6 165.6 130.6 21.1 100.1 41.7 73.4 64.8 83.6 93.0 110.5 97.3 24.4 51.8 55.6 81.0 69.3 30.2 57.9 106.9 31.0 172.0 92.2 181.1 28.4 10.4 35.1 119.1 38.4 61.7 89.7 61.7 13.7 42.4 196.6 129.3 27.9 44.2 44.5 102.9 93.0 120.9 97.3 15.5 68.8 98.3 24.4 30.0 23.9 77.2 51.3 66.8 116.1 107.2 90.7 53.8 128.5 48.3 34.8 162.6 307.1 33.5 25.1 50.0 104.9 128.0 51.3 62.0 48.5 150.1 45.2 86.4 107.7 106.7 34.0 70.1 138.7 144.8 119.4 41.4 86.1 76.2 97.3 109.2 5.1 39.1 58.7 83.3 74.2 70.9 17.5 64.5 95.5 18.8 60.7 172.7 29.7 84.6 85.1 72.9 93.7 117.3 80.5 68.6 114.3 72.6 107.4 35.1 30.5 48.0 99.3 78.5 82.0 112.5 65.8 50.8 15.7 173.0 181.4 58.7 125.0 42.7 35.1 128.5 109.2 65.3 137.7 53.3 87.9 27.7 85.9 148.8 145.5 82.0 95.8 80.0 95.3 50.8 65.5 80.5 109.7 86.1 210.6 179.6 118.4 95.5 171.7 21.6 46.5 86.1 117.1 57.9 75.2 33.0 102.4 85.3 58.7 122.4 20.3 59.2 92.7 119.6 112.3 59.4 44.2 63.8 118.1 107.2 48.3 65.3 43.2 96.0 113.8 24.9 109.7 51.6 130.0 50.3 75.4 69.6 52.3 7.6 145.0 53.1 65.5 123.2 65.3 113.5 74.2 78.0 51.8 61.7 95.5 84.3 63.8 79.5 45.2 78.0 36.8 75.9 240.3 41.4 19.1 54.6 129.8 118.4 82.8 102.4 114.8 35.3 66.3 156.0 43.7 80.0 82.0 15.0 15.5 75.4 58.9 44.7 39.9 174.5 104.4 30.2 57.7 103.4 83.1 11.7 70.1 52.8 63.5 25.4 55.1 75.4 51.6 77.0 110.0 115.1 195.6 89.4 27.9 43.2 112.8 114.8 104.1 71.1 77.5 74.4 122.9 44.5 92.2 230.1 46.2 123.2 182.6 81.5 101.9 157.5 164.3 26.4 58.4 27.7 119.1 131.6 93.0 50.3 49.0 35.8 84.8 94.2 79.5 49.3 104.4 71.6 70.4 100.3 160.3 76.2 86.9 61.2 62.7 21.8 86.1 121.2 102.9 29.2 124.0 239.3 93.5 38.4 67.1 170.7 70.4 139.4 100.8 83.6 51.1 154.4 89.2 59.4 126.2 169.2 51.8 168.4 89.4 109.0 111.3 76.2 23.6 139.2 97.5 141.5 58.7 98.0 26.2 83.6 79.8 56.1 82.3 48.0 52.8 73.2 97.0 112.5 183.1 102.4 64.8 57.9 79.2 65.0 106.2 90.9 35.8 45.0 79.0 243.1 92.7 103.4 40.9 75.7 80.3 62.7 142.0 80.5 112.5 204.2 135.4 242.8 9.1 126.2 43.7 78.0 67.3 69.9 71.4 73.2 142.5 118.4 99.1 91.2 152.1 85.9 148.6 118.6 79.8 81.5 71.9 59.7 174.0 61.2 115.3 137.4 45.5 46.0 17.0 79.2 64.0 117.3 74.2 114.0 67.8 57.4 55.6 49.5 90.2 21.1 88.9 148.8 107.4 75.9 9.7 120.9 54.1 137.2 46.7 145.3 77.5 73.7 92.7 64.8 81.8 68.3 69.1 93.5 42.7 129.5 106.4 307.3 64.0 106.7 141.7 93.2 65.3 83.8 231.1 73.4 136.7 48.5 105.4 43.4 142.7 61.5 81.5 120.4 75.9 48.3 118.4 174.5 117.6 54.6 109.0 117.1 107.7 143.8 72.4 65.0 87.9 84.3 68.8 87.1 22.9 94.0 196.9 58.7 21.8 37.8 45.5 186.7 171.2 141.0 25.4 107.4 104.6 87.6 127.5 173.7 11.7 50.3 31.0 107.2 38.1 90.2 95.3 75.4 69.9 71.9 86.4 23.9 62.0 30.7 37.6 138.4 48.3 55.9 138.7 62.7 75.2 57.2 143.0 97.0 83.1 153.4 21.8 64.3 103.1 39.9 58.4 112.3 173.0 54.6 62.5 85.1 95.5 17.5 49.0 107.4 85.1 77.2 122.2 80.5 115.1 55.6 261.6 157.2 71.6 65.8 71.1 84.6 68.8 93.2 85.1 99.6 54.6 171.7 89.4 185.7 86.9 16.3 102.9 118.4 51.6 111.8 62.0 47.0 86.9 72.6 102.6 152.7 56.1 10.2 93.7 53.3 80.3 66.5 110.2 38.6 62.7 115.8 61.5 65.0 31.2 18.0 10.9 83.6 121.4 68.8 90.9 129.3 31.2 16.5 89.2 108.2 92.5 95.8 48.5 103.1 113.0 116.1 87.6 136.4 124.7 109.5 80.8 95.8 129.0 2.3 44.5 55.4 118.9 42.2 80.0 61.7 59.9 29.5 126.7 51.1 48.0 105.2 75.4 24.4 72.4 80.8 49.8 46.0 58.7 71.4 213.4 152.1 124.0 104.4 78.0 89.9 47.8 91.9 28.2 93.0 44.5 88.4 114.3 184.7 65.8 145.0 91.2 101.3 48.5 101.6 53.3 141.0 55.6 172.0 91.4 137.4 91.7 18.5 49.3 38.1 68.6 107.7 56.4 163.6 57.9 69.6 38.9 81.8 165.4 91.2 79.0 75.7 80.0 92.7 65.5 41.7 82.6 126.0 103.1 38.4 65.3 44.2 59.9 63.5 55.1 48.8 100.8 52.1 112.8 95.3 202.9 152.4 40.6 66.3 25.4 45.2 119.1 40.1 188.7 60.2 96.8 86.1 57.2 78.0 26.7 109.2 189.2 79.5 67.6 81.0 123.4 133.6 176.0 121.4 119.4 249.9 105.9 35.3 27.2 64.0 73.9 69.9 74.2 79.0 99.6 81.8 55.4 109.0 159.3 39.1 67.1 66.3 106.9 79.2 53.6 53.8 56.1 158.8 128.8 84.8 212.3 100.3 103.4 39.4 163.6 87.9 102.1 57.2 42.4 100.6 66.0 83.8 94.5 44.7 17.5 122.7 145.0 42.2 75.7 111.3 66.5 89.2 29.5 104.1 39.4 133.1 87.4 26.7 58.9 64.5 46.5 48.8 72.6 255.5 165.6 104.1 186.7 53.1 79.0 56.4 113.3 155.4 109.7 162.6 48.5 113.0 55.6 175.3 48.5 109.2 32.0 30.0 24.4 73.7 104.1 153.9 124.2 64.0 46.2 199.9 116.3 60.5 107.7 64.3 80.3 52.8 71.1 63.0 22.1 126.0 142.2 65.8 13.0 27.9 59.9 93.2 59.4 58.4 122.9 34.3 46.2 54.1 171.2 166.4 42.7 86.4 96.3 107.2 86.6 42.7 79.2 52.1 152.4 80.8 108.2 15.7 30.0 132.1 71.1 31.0 74.7 50.5 150.1 125.2 50.0 53.3 18.5 62.0 154.4 41.7 109.5 85.3 69.3 80.0 40.9 74.9 84.6 101.1 225.0 95.3 100.6 48.3 144.5 128.3 38.4 52.3 68.6 37.1 148.6 218.7 131.6 112.8 81.8 31.0 47.5 70.1 96.8 61.5 55.6 171.7 220.5 119.4 63.2 181.6 73.9 64.8 166.9 48.0 137.7 80.5 105.2 89.9 174.8 124.0 86.4 136.9 31.5 35.3 112.3 143.0 160.8 97.0 80.5 62.5 158.2 7.6 165.9 106.7 92.2 63.2 26.2 77.0 52.3 105.4 144.3 49.5 116.1 54.1 148.6 159.3 85.3 67.3 112.8 59.4